Measurements:
°C
°F
Marquette
36°F
NE 7 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+33.2°F
Maximum Sea Water Temperature in January: 38.6°F
Minimum Sea Water Temperature in January: 30.0°F
Average water temperature in January: 34.0°F

Sea Water Temperature for the Last 10 Days:

January 08 33.2°F January 03 35.4°F
January 07 33.4°F January 02 35.2°F
January 06 35.6°F January 01 35.2°F
January 05 35.8°F December 31 35.0°F
January 04 35.6°F December 30 34.6°F

When is the Warmest Sea for Marquette?

According to our data for the last three years for Marquette the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Marquette was 67.7°F. The maximum and minimum values were 64.0°F and 71.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marquette was 63.0°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Marquette was 62.0°F. The maximum and minimum values were 51.2°F and 70.2°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 14 days
September 13 days
August 13 days
The most warm months:
August 72.8 °F
July 72.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.8 °F
September 63.6 °F
July 61.9 °F
The most cold months:
January 20.1 °F
February 20.2 °F
December 25.3 °F
The most rainy months:
August 3 days
June 2 days
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Marquette
Local time: 15:29
08 jan, thursday
1800 34°F
N
6 mph
2100 30°F
N
3 mph
09 jan, friday
0000 30°F
S
6 mph
0300 30°F
S
10 mph
0600 28°F
S
14 mph
0900 28°F
SE
16 mph
1200 26°F
SE
14 mph
1500 24°F
SE
13 mph